20049889730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{599}}^1\times {\mathrm{1307}}^1$

素因数の和:2123

約数の個数: 64

約数和(自身を含む): 39158380800

約数和(自身を除く): 19108491070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 599, 985, 1198, 1307, 1970, 2561, 2614, 2995, 5122, 5990, 6535, 7787, 12805, 13070, 15574, 16991, 25610, 33982, 38935, 77870, 84955, 118003, 169910, 236006, 257479, 514958, 590015, 782893, 1180030, 1287395, 1534039, 1565786, 2574790, 3068078, 3347227, 3914465, 6694454, 7670195, 7828930, 10177609, 15340390, 16736135, 20355218, 33472270, 50888045, 101776090, 154229921, 308459842, 771149605, 1542299210, 2004988973, 4009977946, 10024944865, 20049889730]

約数ペア:

[(1, 20049889730), (2, 10024944865), (5, 4009977946), (10, 2004988973), (13, 1542299210), (26, 771149605), (65, 308459842), (130, 154229921), (197, 101776090), (394, 50888045), (599, 33472270), (985, 20355218), (1198, 16736135), (1307, 15340390), (1970, 10177609), (2561, 7828930), (2614, 7670195), (2995, 6694454), (5122, 3914465), (5990, 3347227), (6535, 3068078), (7787, 2574790), (12805, 1565786), (13070, 1534039), (15574, 1287395), (16991, 1180030), (25610, 782893), (33982, 590015), (38935, 514958), (77870, 257479), (84955, 236006), (118003, 169910)]