20219784

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{283}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 54868800

約数和(自身を除く): 34649016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 229, 283, 312, 458, 566, 687, 849, 916, 1132, 1374, 1698, 1832, 2264, 2748, 2977, 3396, 3679, 5496, 5954, 6792, 7358, 8931, 11037, 11908, 14716, 17862, 22074, 23816, 29432, 35724, 44148, 64807, 71448, 88296, 129614, 194421, 259228, 388842, 518456, 777684, 842491, 1555368, 1684982, 2527473, 3369964, 5054946, 6739928, 10109892, 20219784]

約数ペア:

[(1, 20219784), (2, 10109892), (3, 6739928), (4, 5054946), (6, 3369964), (8, 2527473), (12, 1684982), (13, 1555368), (24, 842491), (26, 777684), (39, 518456), (52, 388842), (78, 259228), (104, 194421), (156, 129614), (229, 88296), (283, 71448), (312, 64807), (458, 44148), (566, 35724), (687, 29432), (849, 23816), (916, 22074), (1132, 17862), (1374, 14716), (1698, 11908), (1832, 11037), (2264, 8931), (2748, 7358), (2977, 6792), (3396, 5954), (3679, 5496)]