20856407208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2843}}^1\times {\mathrm{3359}}^1$

素因数の和:6231

約数の個数: 128

約数和(自身を含む): 64215244800

約数和(自身を除く): 43358837592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 2843, 3359, 5686, 6718, 8529, 10077, 11372, 13436, 17058, 19901, 20154, 22744, 23513, 26872, 34116, 36959, 39802, 40308, 43667, 47026, 59703, 68232, 70539, 73918, 79604, 80616, 87334, 94052, 110877, 119406, 131001, 141078, 147836, 159208, 174668, 188104, 221754, 238812, 258713, 262002, 282156, 295672, 305669, 349336, 443508, 477624, 517426, 524004, 564312, 611338, 776139, 887016, 917007, 1034852, 1048008, 1222676, 1552278, 1834014, 2069704, 2445352, 3104556, 3668028, 6209112, 7336056, 9549637, 19099274, 28648911, 38198548, 57297822, 66847459, 76397096, 114595644, 124145281, 133694918, 200542377, 229191288, 248290562, 267389836, 372435843, 401084754, 496581124, 534779672, 744871686, 802169508, 869016967, 993162248, 1489743372, 1604339016, 1738033934, 2607050901, 2979486744, 3476067868, 5214101802, 6952135736, 10428203604, 20856407208]

約数ペア:

[(1, 20856407208), (2, 10428203604), (3, 6952135736), (4, 5214101802), (6, 3476067868), (7, 2979486744), (8, 2607050901), (12, 1738033934), (13, 1604339016), (14, 1489743372), (21, 993162248), (24, 869016967), (26, 802169508), (28, 744871686), (39, 534779672), (42, 496581124), (52, 401084754), (56, 372435843), (78, 267389836), (84, 248290562), (91, 229191288), (104, 200542377), (156, 133694918), (168, 124145281), (182, 114595644), (273, 76397096), (312, 66847459), (364, 57297822), (546, 38198548), (728, 28648911), (1092, 19099274), (2184, 9549637), (2843, 7336056), (3359, 6209112), (5686, 3668028), (6718, 3104556), (8529, 2445352), (10077, 2069704), (11372, 1834014), (13436, 1552278), (17058, 1222676), (19901, 1048008), (20154, 1034852), (22744, 917007), (23513, 887016), (26872, 776139), (34116, 611338), (36959, 564312), (39802, 524004), (40308, 517426), (43667, 477624), (47026, 443508), (59703, 349336), (68232, 305669), (70539, 295672), (73918, 282156), (79604, 262002), (80616, 258713), (87334, 238812), (94052, 221754), (110877, 188104), (119406, 174668), (131001, 159208), (141078, 147836)]