20454638412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1\times {\mathrm{2693}}^1$

素因数の和:3163

約数の個数: 96

約数和(自身を含む): 51894198720

約数和(自身を除く): 31439560308

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 181, 269, 362, 538, 543, 724, 807, 1076, 1086, 1614, 2172, 2353, 2693, 3228, 3497, 4706, 5386, 6994, 7059, 8079, 9412, 10491, 10772, 13988, 14118, 16158, 20982, 28236, 32316, 35009, 41964, 48689, 70018, 97378, 105027, 140036, 146067, 194756, 210054, 292134, 420108, 487433, 584268, 632957, 724417, 974866, 1265914, 1448834, 1462299, 1898871, 1949732, 2173251, 2531828, 2897668, 2924598, 3797742, 4346502, 5849196, 6336629, 7595484, 8693004, 9417421, 12673258, 18834842, 19009887, 25346516, 28252263, 37669684, 38019774, 56504526, 76039548, 113009052, 131119477, 262238954, 393358431, 524477908, 786716862, 1573433724, 1704553201, 3409106402, 5113659603, 6818212804, 10227319206, 20454638412]

約数ペア:

[(1, 20454638412), (2, 10227319206), (3, 6818212804), (4, 5113659603), (6, 3409106402), (12, 1704553201), (13, 1573433724), (26, 786716862), (39, 524477908), (52, 393358431), (78, 262238954), (156, 131119477), (181, 113009052), (269, 76039548), (362, 56504526), (538, 38019774), (543, 37669684), (724, 28252263), (807, 25346516), (1076, 19009887), (1086, 18834842), (1614, 12673258), (2172, 9417421), (2353, 8693004), (2693, 7595484), (3228, 6336629), (3497, 5849196), (4706, 4346502), (5386, 3797742), (6994, 2924598), (7059, 2897668), (8079, 2531828), (9412, 2173251), (10491, 1949732), (10772, 1898871), (13988, 1462299), (14118, 1448834), (16158, 1265914), (20982, 974866), (28236, 724417), (32316, 632957), (35009, 584268), (41964, 487433), (48689, 420108), (70018, 292134), (97378, 210054), (105027, 194756), (140036, 146067)]