20562516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{829}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 57100680

約数和(自身を除く): 36538164

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 829, 954, 1378, 1658, 1908, 2067, 2487, 2756, 3316, 4134, 4974, 6201, 7461, 8268, 9948, 10777, 12402, 14922, 21554, 24804, 29844, 32331, 43108, 43937, 64662, 87874, 96993, 129324, 131811, 175748, 193986, 263622, 387972, 395433, 527244, 571181, 790866, 1142362, 1581732, 1713543, 2284724, 3427086, 5140629, 6854172, 10281258, 20562516]

約数ペア:

[(1, 20562516), (2, 10281258), (3, 6854172), (4, 5140629), (6, 3427086), (9, 2284724), (12, 1713543), (13, 1581732), (18, 1142362), (26, 790866), (36, 571181), (39, 527244), (52, 395433), (53, 387972), (78, 263622), (106, 193986), (117, 175748), (156, 131811), (159, 129324), (212, 96993), (234, 87874), (318, 64662), (468, 43937), (477, 43108), (636, 32331), (689, 29844), (829, 24804), (954, 21554), (1378, 14922), (1658, 12402), (1908, 10777), (2067, 9948), (2487, 8268), (2756, 7461), (3316, 6201), (4134, 4974)]