20969844

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1877}}^1$

素因数の和:1917

約数の個数: 72

約数和(自身を含む): 59945760

約数和(自身を除く): 38975916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 1877, 2793, 3724, 3754, 5586, 5631, 7508, 11172, 11262, 13139, 22524, 26278, 35663, 39417, 52556, 71326, 78834, 91973, 106989, 142652, 157668, 183946, 213978, 249641, 275919, 367892, 427956, 499282, 551838, 748923, 998564, 1103676, 1497846, 1747487, 2995692, 3494974, 5242461, 6989948, 10484922, 20969844]

約数ペア:

[(1, 20969844), (2, 10484922), (3, 6989948), (4, 5242461), (6, 3494974), (7, 2995692), (12, 1747487), (14, 1497846), (19, 1103676), (21, 998564), (28, 748923), (38, 551838), (42, 499282), (49, 427956), (57, 367892), (76, 275919), (84, 249641), (98, 213978), (114, 183946), (133, 157668), (147, 142652), (196, 106989), (228, 91973), (266, 78834), (294, 71326), (399, 52556), (532, 39417), (588, 35663), (798, 26278), (931, 22524), (1596, 13139), (1862, 11262), (1877, 11172), (2793, 7508), (3724, 5631), (3754, 5586)]