20816413072

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{18353}}^1$

素因数の和:18441

約数の個数: 160

約数和(自身を含む): 53529073920

約数和(自身を除く): 32712660848

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 41, 52, 56, 76, 82, 91, 104, 112, 133, 152, 164, 182, 208, 247, 266, 287, 304, 328, 364, 494, 532, 533, 574, 656, 728, 779, 988, 1064, 1066, 1148, 1456, 1558, 1729, 1976, 2128, 2132, 2296, 3116, 3458, 3731, 3952, 4264, 4592, 5453, 6232, 6916, 7462, 8528, 10127, 10906, 12464, 13832, 14924, 18353, 20254, 21812, 27664, 29848, 36706, 40508, 43624, 59696, 70889, 73412, 81016, 87248, 128471, 141778, 146824, 162032, 238589, 256942, 283556, 293648, 348707, 477178, 513884, 567112, 697414, 752473, 954356, 1027768, 1134224, 1394828, 1504946, 1670123, 1908712, 2055536, 2440949, 2789656, 3009892, 3340246, 3817424, 4533191, 4881898, 5267311, 5579312, 6019784, 6680492, 9066382, 9763796, 9782149, 10534622, 12039568, 13360984, 14296987, 18132764, 19527592, 19564298, 21069244, 26721968, 28593974, 31732337, 36265528, 39055184, 39128596, 42138488, 57187948, 63464674, 68475043, 72531056, 78257192, 84276976, 100078909, 114375896, 126929348, 136950086, 156514384, 185860831, 200157818, 228751792, 253858696, 273900172, 371721662, 400315636, 507717392, 547800344, 743443324, 800631272, 1095600688, 1301025817, 1486886648, 1601262544, 2602051634, 2973773296, 5204103268, 10408206536, 20816413072]

約数ペア:

[(1, 20816413072), (2, 10408206536), (4, 5204103268), (7, 2973773296), (8, 2602051634), (13, 1601262544), (14, 1486886648), (16, 1301025817), (19, 1095600688), (26, 800631272), (28, 743443324), (38, 547800344), (41, 507717392), (52, 400315636), (56, 371721662), (76, 273900172), (82, 253858696), (91, 228751792), (104, 200157818), (112, 185860831), (133, 156514384), (152, 136950086), (164, 126929348), (182, 114375896), (208, 100078909), (247, 84276976), (266, 78257192), (287, 72531056), (304, 68475043), (328, 63464674), (364, 57187948), (494, 42138488), (532, 39128596), (533, 39055184), (574, 36265528), (656, 31732337), (728, 28593974), (779, 26721968), (988, 21069244), (1064, 19564298), (1066, 19527592), (1148, 18132764), (1456, 14296987), (1558, 13360984), (1729, 12039568), (1976, 10534622), (2128, 9782149), (2132, 9763796), (2296, 9066382), (3116, 6680492), (3458, 6019784), (3731, 5579312), (3952, 5267311), (4264, 4881898), (4592, 4533191), (5453, 3817424), (6232, 3340246), (6916, 3009892), (7462, 2789656), (8528, 2440949), (10127, 2055536), (10906, 1908712), (12464, 1670123), (13832, 1504946), (14924, 1394828), (18353, 1134224), (20254, 1027768), (21812, 954356), (27664, 752473), (29848, 697414), (36706, 567112), (40508, 513884), (43624, 477178), (59696, 348707), (70889, 293648), (73412, 283556), (81016, 256942), (87248, 238589), (128471, 162032), (141778, 146824)]