20205122490

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{150571}}^1$

素因数の和:150665

約数の個数: 128

約数和(自身を含む): 62445219840

約数和(自身を除く): 42240097350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 71, 90, 105, 126, 135, 142, 189, 210, 213, 270, 315, 355, 378, 426, 497, 630, 639, 710, 945, 994, 1065, 1278, 1491, 1890, 1917, 2130, 2485, 2982, 3195, 3834, 4473, 4970, 6390, 7455, 8946, 9585, 13419, 14910, 19170, 22365, 26838, 44730, 67095, 134190, 150571, 301142, 451713, 752855, 903426, 1053997, 1355139, 1505710, 2107994, 2258565, 2710278, 3161991, 4065417, 4517130, 5269985, 6323982, 6775695, 8130834, 9485973, 10539970, 10690541, 13551390, 15809955, 18971946, 20327085, 21381082, 28457919, 31619910, 32071623, 40654170, 47429865, 53452705, 56915838, 64143246, 74833787, 94859730, 96214869, 106905410, 142289595, 149667574, 160358115, 192429738, 224501361, 284579190, 288644607, 320716230, 374168935, 449002722, 481074345, 577289214, 673504083, 748337870, 962148690, 1122506805, 1347008166, 1443223035, 2020512249, 2245013610, 2886446070, 3367520415, 4041024498, 6735040830, 10102561245, 20205122490]

約数ペア:

[(1, 20205122490), (2, 10102561245), (3, 6735040830), (5, 4041024498), (6, 3367520415), (7, 2886446070), (9, 2245013610), (10, 2020512249), (14, 1443223035), (15, 1347008166), (18, 1122506805), (21, 962148690), (27, 748337870), (30, 673504083), (35, 577289214), (42, 481074345), (45, 449002722), (54, 374168935), (63, 320716230), (70, 288644607), (71, 284579190), (90, 224501361), (105, 192429738), (126, 160358115), (135, 149667574), (142, 142289595), (189, 106905410), (210, 96214869), (213, 94859730), (270, 74833787), (315, 64143246), (355, 56915838), (378, 53452705), (426, 47429865), (497, 40654170), (630, 32071623), (639, 31619910), (710, 28457919), (945, 21381082), (994, 20327085), (1065, 18971946), (1278, 15809955), (1491, 13551390), (1890, 10690541), (1917, 10539970), (2130, 9485973), (2485, 8130834), (2982, 6775695), (3195, 6323982), (3834, 5269985), (4473, 4517130), (4970, 4065417), (6390, 3161991), (7455, 2710278), (8946, 2258565), (9585, 2107994), (13419, 1505710), (14910, 1355139), (19170, 1053997), (22365, 903426), (26838, 752855), (44730, 451713), (67095, 301142), (134190, 150571)]