20147691124

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{761}}^1\times {\mathrm{2879}}^1$

素因数の和:3685

約数の個数: 72

約数和(自身を含む): 40862707200

約数和(自身を除く): 20715016076

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 761, 836, 1522, 2299, 2879, 3044, 4598, 5758, 8371, 9196, 11516, 14459, 16742, 28918, 31669, 33484, 54701, 57836, 63338, 92081, 109402, 126676, 159049, 184162, 218804, 318098, 348359, 368324, 601711, 636196, 696718, 1203422, 1393436, 1749539, 2190919, 2406844, 3499078, 4381838, 6618821, 6998156, 8763676, 13237642, 24100109, 26475284, 41627461, 48200218, 83254922, 96400436, 166509844, 265101199, 457902071, 530202398, 915804142, 1060404796, 1831608284, 5036922781, 10073845562, 20147691124]

約数ペア:

[(1, 20147691124), (2, 10073845562), (4, 5036922781), (11, 1831608284), (19, 1060404796), (22, 915804142), (38, 530202398), (44, 457902071), (76, 265101199), (121, 166509844), (209, 96400436), (242, 83254922), (418, 48200218), (484, 41627461), (761, 26475284), (836, 24100109), (1522, 13237642), (2299, 8763676), (2879, 6998156), (3044, 6618821), (4598, 4381838), (5758, 3499078), (8371, 2406844), (9196, 2190919), (11516, 1749539), (14459, 1393436), (16742, 1203422), (28918, 696718), (31669, 636196), (33484, 601711), (54701, 368324), (57836, 348359), (63338, 318098), (92081, 218804), (109402, 184162), (126676, 159049)]