20649972

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 58464000

約数和(自身を除く): 37814028

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 49, 58, 84, 87, 98, 116, 147, 173, 174, 196, 203, 294, 343, 346, 348, 406, 519, 588, 609, 686, 692, 812, 1029, 1038, 1211, 1218, 1372, 1421, 2058, 2076, 2422, 2436, 2842, 3633, 4116, 4263, 4844, 5017, 5684, 7266, 8477, 8526, 9947, 10034, 14532, 15051, 16954, 17052, 19894, 20068, 25431, 29841, 30102, 33908, 35119, 39788, 50862, 59339, 59682, 60204, 70238, 101724, 105357, 118678, 119364, 140476, 178017, 210714, 237356, 245833, 356034, 421428, 491666, 712068, 737499, 983332, 1474998, 1720831, 2949996, 3441662, 5162493, 6883324, 10324986, 20649972]

約数ペア:

[(1, 20649972), (2, 10324986), (3, 6883324), (4, 5162493), (6, 3441662), (7, 2949996), (12, 1720831), (14, 1474998), (21, 983332), (28, 737499), (29, 712068), (42, 491666), (49, 421428), (58, 356034), (84, 245833), (87, 237356), (98, 210714), (116, 178017), (147, 140476), (173, 119364), (174, 118678), (196, 105357), (203, 101724), (294, 70238), (343, 60204), (346, 59682), (348, 59339), (406, 50862), (519, 39788), (588, 35119), (609, 33908), (686, 30102), (692, 29841), (812, 25431), (1029, 20068), (1038, 19894), (1211, 17052), (1218, 16954), (1372, 15051), (1421, 14532), (2058, 10034), (2076, 9947), (2422, 8526), (2436, 8477), (2842, 7266), (3633, 5684), (4116, 5017), (4263, 4844)]