20122935904

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{857}}^1\times {\mathrm{2539}}^1$

素因数の和:3440

約数の個数: 72

約数和(自身を含む): 42150228120

約数和(自身を除く): 22027292216

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 857, 1156, 1714, 2312, 2539, 3428, 4624, 5078, 6856, 9248, 10156, 13712, 14569, 20312, 27424, 29138, 40624, 43163, 58276, 81248, 86326, 116552, 172652, 233104, 247673, 345304, 466208, 495346, 690608, 733771, 990692, 1381216, 1467542, 1981384, 2175923, 2935084, 3962768, 4351846, 5870168, 7925536, 8703692, 11740336, 17407384, 23480672, 34814768, 36990691, 69629536, 73981382, 147962764, 295925528, 591851056, 628841747, 1183702112, 1257683494, 2515366988, 5030733976, 10061467952, 20122935904]

約数ペア:

[(1, 20122935904), (2, 10061467952), (4, 5030733976), (8, 2515366988), (16, 1257683494), (17, 1183702112), (32, 628841747), (34, 591851056), (68, 295925528), (136, 147962764), (272, 73981382), (289, 69629536), (544, 36990691), (578, 34814768), (857, 23480672), (1156, 17407384), (1714, 11740336), (2312, 8703692), (2539, 7925536), (3428, 5870168), (4624, 4351846), (5078, 3962768), (6856, 2935084), (9248, 2175923), (10156, 1981384), (13712, 1467542), (14569, 1381216), (20312, 990692), (27424, 733771), (29138, 690608), (40624, 495346), (43163, 466208), (58276, 345304), (81248, 247673), (86326, 233104), (116552, 172652)]