20199786364

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1\times {\mathrm{1987}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 36646394400

約数和(自身を除く): 16446608036

約数列:

[1, 2, 4, 37, 74, 148, 149, 298, 461, 596, 922, 1844, 1987, 3974, 5513, 7948, 11026, 17057, 22052, 34114, 68228, 68689, 73519, 137378, 147038, 274756, 294076, 296063, 592126, 916007, 1184252, 1832014, 2541493, 3664028, 5082986, 10165972, 10954331, 21908662, 33892259, 43817324, 67784518, 135569036, 136485043, 272970086, 545940172, 5049946591, 10099893182, 20199786364]

約数ペア:

[(1, 20199786364), (2, 10099893182), (4, 5049946591), (37, 545940172), (74, 272970086), (148, 136485043), (149, 135569036), (298, 67784518), (461, 43817324), (596, 33892259), (922, 21908662), (1844, 10954331), (1987, 10165972), (3974, 5082986), (5513, 3664028), (7948, 2541493), (11026, 1832014), (17057, 1184252), (22052, 916007), (34114, 592126), (68228, 296063), (68689, 294076), (73519, 274756), (137378, 147038)]