20787096

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1200

約数の個数: 64

約数和(自身を含む): 57542400

約数和(自身を除く): 36755304

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 71, 88, 132, 142, 213, 264, 284, 426, 568, 781, 852, 1109, 1562, 1704, 2218, 2343, 3124, 3327, 4436, 4686, 6248, 6654, 8872, 9372, 12199, 13308, 18744, 24398, 26616, 36597, 48796, 73194, 78739, 97592, 146388, 157478, 236217, 292776, 314956, 472434, 629912, 866129, 944868, 1732258, 1889736, 2598387, 3464516, 5196774, 6929032, 10393548, 20787096]

約数ペア:

[(1, 20787096), (2, 10393548), (3, 6929032), (4, 5196774), (6, 3464516), (8, 2598387), (11, 1889736), (12, 1732258), (22, 944868), (24, 866129), (33, 629912), (44, 472434), (66, 314956), (71, 292776), (88, 236217), (132, 157478), (142, 146388), (213, 97592), (264, 78739), (284, 73194), (426, 48796), (568, 36597), (781, 26616), (852, 24398), (1109, 18744), (1562, 13308), (1704, 12199), (2218, 9372), (2343, 8872), (3124, 6654), (3327, 6248), (4436, 4686)]