20743944

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3911}}^1$

素因数の和:3950

約数の個数: 64

約数和(自身を含む): 59149440

約数和(自身を除く): 38405496

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 156, 204, 221, 312, 408, 442, 663, 884, 1326, 1768, 2652, 3911, 5304, 7822, 11733, 15644, 23466, 31288, 46932, 50843, 66487, 93864, 101686, 132974, 152529, 199461, 203372, 265948, 305058, 398922, 406744, 531896, 610116, 797844, 864331, 1220232, 1595688, 1728662, 2592993, 3457324, 5185986, 6914648, 10371972, 20743944]

約数ペア:

[(1, 20743944), (2, 10371972), (3, 6914648), (4, 5185986), (6, 3457324), (8, 2592993), (12, 1728662), (13, 1595688), (17, 1220232), (24, 864331), (26, 797844), (34, 610116), (39, 531896), (51, 406744), (52, 398922), (68, 305058), (78, 265948), (102, 203372), (104, 199461), (136, 152529), (156, 132974), (204, 101686), (221, 93864), (312, 66487), (408, 50843), (442, 46932), (663, 31288), (884, 23466), (1326, 15644), (1768, 11733), (2652, 7822), (3911, 5304)]