20805650928

素因数分解:

$2^4\times 3^4\times {\mathrm{47}}^1\times {\mathrm{341569}}^1$

素因数の和:341636

約数の個数: 100

約数和(自身を含む): 61498995360

約数和(自身を除く): 40693344432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 47, 48, 54, 72, 81, 94, 108, 141, 144, 162, 188, 216, 282, 324, 376, 423, 432, 564, 648, 752, 846, 1128, 1269, 1296, 1692, 2256, 2538, 3384, 3807, 5076, 6768, 7614, 10152, 15228, 20304, 30456, 60912, 341569, 683138, 1024707, 1366276, 2049414, 2732552, 3074121, 4098828, 5465104, 6148242, 8197656, 9222363, 12296484, 16053743, 16395312, 18444726, 24592968, 27667089, 32107486, 36889452, 48161229, 49185936, 55334178, 64214972, 73778904, 96322458, 110668356, 128429944, 144483687, 147557808, 192644916, 221336712, 256859888, 288967374, 385289832, 433451061, 442673424, 577934748, 770579664, 866902122, 1155869496, 1300353183, 1733804244, 2311738992, 2600706366, 3467608488, 5201412732, 6935216976, 10402825464, 20805650928]

約数ペア:

[(1, 20805650928), (2, 10402825464), (3, 6935216976), (4, 5201412732), (6, 3467608488), (8, 2600706366), (9, 2311738992), (12, 1733804244), (16, 1300353183), (18, 1155869496), (24, 866902122), (27, 770579664), (36, 577934748), (47, 442673424), (48, 433451061), (54, 385289832), (72, 288967374), (81, 256859888), (94, 221336712), (108, 192644916), (141, 147557808), (144, 144483687), (162, 128429944), (188, 110668356), (216, 96322458), (282, 73778904), (324, 64214972), (376, 55334178), (423, 49185936), (432, 48161229), (564, 36889452), (648, 32107486), (752, 27667089), (846, 24592968), (1128, 18444726), (1269, 16395312), (1296, 16053743), (1692, 12296484), (2256, 9222363), (2538, 8197656), (3384, 6148242), (3807, 5465104), (5076, 4098828), (6768, 3074121), (7614, 2732552), (10152, 2049414), (15228, 1366276), (20304, 1024707), (30456, 683138), (60912, 341569)]