20330752

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 45070200

約数和(自身を除く): 24739448

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 149, 164, 208, 256, 298, 328, 416, 533, 596, 656, 832, 1066, 1192, 1312, 1664, 1937, 2132, 2384, 2624, 3328, 3874, 4264, 4768, 5248, 6109, 7748, 8528, 9536, 10496, 12218, 15496, 17056, 19072, 24436, 30992, 34112, 38144, 48872, 61984, 68224, 79417, 97744, 123968, 136448, 158834, 195488, 247936, 317668, 390976, 495872, 635336, 781952, 1270672, 1563904, 2541344, 5082688, 10165376, 20330752]

約数ペア:

[(1, 20330752), (2, 10165376), (4, 5082688), (8, 2541344), (13, 1563904), (16, 1270672), (26, 781952), (32, 635336), (41, 495872), (52, 390976), (64, 317668), (82, 247936), (104, 195488), (128, 158834), (149, 136448), (164, 123968), (208, 97744), (256, 79417), (298, 68224), (328, 61984), (416, 48872), (533, 38144), (596, 34112), (656, 30992), (832, 24436), (1066, 19072), (1192, 17056), (1312, 15496), (1664, 12218), (1937, 10496), (2132, 9536), (2384, 8528), (2624, 7748), (3328, 6109), (3874, 5248), (4264, 4768)]