20571415984

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{846421}}^1$

素因数の和:846474

約数の個数: 60

約数和(自身を含む): 47860085568

約数和(自身を除く): 27288669584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 392, 434, 496, 784, 868, 1519, 1736, 3038, 3472, 6076, 12152, 24304, 846421, 1692842, 3385684, 5924947, 6771368, 11849894, 13542736, 23699788, 26239051, 41474629, 47399576, 52478102, 82949258, 94799152, 104956204, 165898516, 183673357, 209912408, 331797032, 367346714, 419824816, 663594064, 734693428, 1285713499, 1469386856, 2571426998, 2938773712, 5142853996, 10285707992, 20571415984]

約数ペア:

[(1, 20571415984), (2, 10285707992), (4, 5142853996), (7, 2938773712), (8, 2571426998), (14, 1469386856), (16, 1285713499), (28, 734693428), (31, 663594064), (49, 419824816), (56, 367346714), (62, 331797032), (98, 209912408), (112, 183673357), (124, 165898516), (196, 104956204), (217, 94799152), (248, 82949258), (392, 52478102), (434, 47399576), (496, 41474629), (784, 26239051), (868, 23699788), (1519, 13542736), (1736, 11849894), (3038, 6771368), (3472, 5924947), (6076, 3385684), (12152, 1692842), (24304, 846421)]