20171440668

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1\times {\mathrm{2551}}^1$

素因数の和:3095

約数の個数: 96

約数和(自身を含む): 50305024000

約数和(自身を除く): 30133583332

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 79, 114, 158, 228, 237, 316, 439, 474, 878, 948, 1317, 1501, 1756, 2551, 2634, 3002, 4503, 5102, 5268, 6004, 7653, 8341, 9006, 10204, 15306, 16682, 18012, 25023, 30612, 33364, 34681, 48469, 50046, 69362, 96938, 100092, 104043, 138724, 145407, 193876, 201529, 208086, 290814, 403058, 416172, 581628, 604587, 658939, 806116, 1119889, 1209174, 1317878, 1976817, 2239778, 2418348, 2635756, 3359667, 3829051, 3953634, 4479556, 6719334, 7658102, 7907268, 11487153, 13438668, 15316204, 21277891, 22974306, 42555782, 45948612, 63833673, 85111564, 88471231, 127667346, 176942462, 255334692, 265413693, 353884924, 530827386, 1061654772, 1680953389, 3361906778, 5042860167, 6723813556, 10085720334, 20171440668]

約数ペア:

[(1, 20171440668), (2, 10085720334), (3, 6723813556), (4, 5042860167), (6, 3361906778), (12, 1680953389), (19, 1061654772), (38, 530827386), (57, 353884924), (76, 265413693), (79, 255334692), (114, 176942462), (158, 127667346), (228, 88471231), (237, 85111564), (316, 63833673), (439, 45948612), (474, 42555782), (878, 22974306), (948, 21277891), (1317, 15316204), (1501, 13438668), (1756, 11487153), (2551, 7907268), (2634, 7658102), (3002, 6719334), (4503, 4479556), (5102, 3953634), (5268, 3829051), (6004, 3359667), (7653, 2635756), (8341, 2418348), (9006, 2239778), (10204, 1976817), (15306, 1317878), (16682, 1209174), (18012, 1119889), (25023, 806116), (30612, 658939), (33364, 604587), (34681, 581628), (48469, 416172), (50046, 403058), (69362, 290814), (96938, 208086), (100092, 201529), (104043, 193876), (138724, 145407)]