20664892920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{464171}}^1$

素因数の和:464245

約数の個数: 128

約数和(自身を含む): 72188029440

約数和(自身を除く): 51523136520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 742, 795, 840, 1060, 1113, 1272, 1484, 1590, 1855, 2120, 2226, 2968, 3180, 3710, 4452, 5565, 6360, 7420, 8904, 11130, 14840, 22260, 44520, 464171, 928342, 1392513, 1856684, 2320855, 2785026, 3249197, 3713368, 4641710, 5570052, 6498394, 6962565, 9283420, 9747591, 11140104, 12996788, 13925130, 16245985, 18566840, 19495182, 24601063, 25993576, 27850260, 32491970, 38990364, 48737955, 49202126, 55700520, 64983940, 73803189, 77980728, 97475910, 98404252, 123005315, 129967880, 147606378, 172207441, 194951820, 196808504, 246010630, 295212756, 344414882, 369015945, 389903640, 492021260, 516622323, 590425512, 688829764, 738031890, 861037205, 984042520, 1033244646, 1377659528, 1476063780, 1722074410, 2066489292, 2583111615, 2952127560, 3444148820, 4132978584, 5166223230, 6888297640, 10332446460, 20664892920]

約数ペア:

[(1, 20664892920), (2, 10332446460), (3, 6888297640), (4, 5166223230), (5, 4132978584), (6, 3444148820), (7, 2952127560), (8, 2583111615), (10, 2066489292), (12, 1722074410), (14, 1476063780), (15, 1377659528), (20, 1033244646), (21, 984042520), (24, 861037205), (28, 738031890), (30, 688829764), (35, 590425512), (40, 516622323), (42, 492021260), (53, 389903640), (56, 369015945), (60, 344414882), (70, 295212756), (84, 246010630), (105, 196808504), (106, 194951820), (120, 172207441), (140, 147606378), (159, 129967880), (168, 123005315), (210, 98404252), (212, 97475910), (265, 77980728), (280, 73803189), (318, 64983940), (371, 55700520), (420, 49202126), (424, 48737955), (530, 38990364), (636, 32491970), (742, 27850260), (795, 25993576), (840, 24601063), (1060, 19495182), (1113, 18566840), (1272, 16245985), (1484, 13925130), (1590, 12996788), (1855, 11140104), (2120, 9747591), (2226, 9283420), (2968, 6962565), (3180, 6498394), (3710, 5570052), (4452, 4641710), (5565, 3713368), (6360, 3249197), (7420, 2785026), (8904, 2320855), (11130, 1856684), (14840, 1392513), (22260, 928342), (44520, 464171)]