20825532

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 67226880

約数和(自身を除く): 46401348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 163, 169, 182, 189, 234, 252, 273, 326, 338, 351, 364, 378, 468, 489, 507, 546, 652, 676, 702, 756, 819, 978, 1014, 1092, 1141, 1183, 1404, 1467, 1521, 1638, 1956, 2028, 2119, 2282, 2366, 2457, 2934, 3042, 3276, 3423, 3549, 4238, 4401, 4563, 4564, 4732, 4914, 5868, 6084, 6357, 6846, 7098, 8476, 8802, 9126, 9828, 10269, 10647, 12714, 13692, 14196, 14833, 17604, 18252, 19071, 20538, 21294, 25428, 27547, 29666, 30807, 31941, 38142, 41076, 42588, 44499, 55094, 57213, 59332, 61614, 63882, 76284, 82641, 88998, 110188, 114426, 123228, 127764, 133497, 165282, 177996, 192829, 228852, 247923, 266994, 330564, 385658, 400491, 495846, 533988, 578487, 743769, 771316, 800982, 991692, 1156974, 1487538, 1601964, 1735461, 2313948, 2975076, 3470922, 5206383, 6941844, 10412766, 20825532]

約数ペア:

[(1, 20825532), (2, 10412766), (3, 6941844), (4, 5206383), (6, 3470922), (7, 2975076), (9, 2313948), (12, 1735461), (13, 1601964), (14, 1487538), (18, 1156974), (21, 991692), (26, 800982), (27, 771316), (28, 743769), (36, 578487), (39, 533988), (42, 495846), (52, 400491), (54, 385658), (63, 330564), (78, 266994), (84, 247923), (91, 228852), (108, 192829), (117, 177996), (126, 165282), (156, 133497), (163, 127764), (169, 123228), (182, 114426), (189, 110188), (234, 88998), (252, 82641), (273, 76284), (326, 63882), (338, 61614), (351, 59332), (364, 57213), (378, 55094), (468, 44499), (489, 42588), (507, 41076), (546, 38142), (652, 31941), (676, 30807), (702, 29666), (756, 27547), (819, 25428), (978, 21294), (1014, 20538), (1092, 19071), (1141, 18252), (1183, 17604), (1404, 14833), (1467, 14196), (1521, 13692), (1638, 12714), (1956, 10647), (2028, 10269), (2119, 9828), (2282, 9126), (2366, 8802), (2457, 8476), (2934, 7098), (3042, 6846), (3276, 6357), (3423, 6084), (3549, 5868), (4238, 4914), (4401, 4732), (4563, 4564)]