20196754365

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 35572690944

約数和(自身を除く): 15375936579

約数列:

[1, 3, 5, 15, 23, 41, 67, 69, 101, 115, 123, 201, 205, 211, 303, 335, 345, 505, 615, 633, 943, 1005, 1055, 1515, 1541, 2323, 2747, 2829, 3165, 4141, 4623, 4715, 4853, 6767, 6969, 7705, 8241, 8651, 11615, 12423, 13735, 14137, 14145, 14559, 20301, 20705, 21311, 23115, 24265, 25953, 33835, 34845, 41205, 42411, 43255, 62115, 63181, 63933, 70685, 72795, 95243, 101505, 106555, 129765, 155641, 189543, 198973, 212055, 277447, 285729, 315905, 319665, 325151, 466923, 476215, 490153, 579617, 596919, 778205, 832341, 873751, 947715, 975453, 994865, 1387235, 1427837, 1428645, 1470459, 1625755, 1738851, 2334615, 2450765, 2621253, 2898085, 2984595, 4161705, 4283511, 4368755, 4877265, 6381281, 7139185, 7352295, 8694255, 13106265, 13331191, 19143843, 20096273, 21417555, 31906405, 32840251, 39993573, 58541317, 60288819, 66655955, 95719215, 98520753, 100481365, 164201255, 175623951, 199967865, 292706585, 301444095, 492603765, 878119755, 1346450291, 4039350873, 6732251455, 20196754365]

約数ペア:

[(1, 20196754365), (3, 6732251455), (5, 4039350873), (15, 1346450291), (23, 878119755), (41, 492603765), (67, 301444095), (69, 292706585), (101, 199967865), (115, 175623951), (123, 164201255), (201, 100481365), (205, 98520753), (211, 95719215), (303, 66655955), (335, 60288819), (345, 58541317), (505, 39993573), (615, 32840251), (633, 31906405), (943, 21417555), (1005, 20096273), (1055, 19143843), (1515, 13331191), (1541, 13106265), (2323, 8694255), (2747, 7352295), (2829, 7139185), (3165, 6381281), (4141, 4877265), (4623, 4368755), (4715, 4283511), (4853, 4161705), (6767, 2984595), (6969, 2898085), (7705, 2621253), (8241, 2450765), (8651, 2334615), (11615, 1738851), (12423, 1625755), (13735, 1470459), (14137, 1428645), (14145, 1427837), (14559, 1387235), (20301, 994865), (20705, 975453), (21311, 947715), (23115, 873751), (24265, 832341), (25953, 778205), (33835, 596919), (34845, 579617), (41205, 490153), (42411, 476215), (43255, 466923), (62115, 325151), (63181, 319665), (63933, 315905), (70685, 285729), (72795, 277447), (95243, 212055), (101505, 198973), (106555, 189543), (129765, 155641)]