20280235599

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1\times {\mathrm{1103}}^1$

素因数の和:2066

約数の個数: 80

約数和(自身を含む): 34411238400

約数和(自身を除く): 14131002801

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 919, 1053, 1103, 1539, 2223, 2757, 3309, 6669, 8271, 9927, 11947, 14339, 17461, 20007, 20957, 24813, 29781, 35841, 43017, 52383, 62871, 74439, 89343, 107523, 129051, 157149, 188613, 226993, 272441, 322569, 387153, 471447, 565839, 680979, 817323, 967707, 1013657, 1161459, 1414341, 1697517, 2042937, 2451969, 3040971, 6128811, 7355907, 9122913, 13177541, 18386433, 19259483, 22067721, 27368739, 39532623, 57778449, 82106217, 118597869, 173335347, 250373279, 355793607, 520006041, 751119837, 1067380821, 1560018123, 2253359511, 6760078533, 20280235599]

約数ペア:

[(1, 20280235599), (3, 6760078533), (9, 2253359511), (13, 1560018123), (19, 1067380821), (27, 751119837), (39, 520006041), (57, 355793607), (81, 250373279), (117, 173335347), (171, 118597869), (247, 82106217), (351, 57778449), (513, 39532623), (741, 27368739), (919, 22067721), (1053, 19259483), (1103, 18386433), (1539, 13177541), (2223, 9122913), (2757, 7355907), (3309, 6128811), (6669, 3040971), (8271, 2451969), (9927, 2042937), (11947, 1697517), (14339, 1414341), (17461, 1161459), (20007, 1013657), (20957, 967707), (24813, 817323), (29781, 680979), (35841, 565839), (43017, 471447), (52383, 387153), (62871, 322569), (74439, 272441), (89343, 226993), (107523, 188613), (129051, 157149)]