20163762616

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{14621}}^1$

素因数の和:14900

約数の個数: 64

約数和(自身を含む): 40918204800

約数和(自身を除く): 20754442184

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 211, 344, 422, 817, 844, 1634, 1688, 3268, 4009, 6536, 8018, 9073, 14621, 16036, 18146, 29242, 32072, 36292, 58484, 72584, 116968, 172387, 277799, 344774, 555598, 628703, 689548, 1111196, 1257406, 1379096, 2222392, 2514812, 3085031, 5029624, 6170062, 11945357, 12340124, 23890714, 24680248, 47781428, 58615589, 95562856, 117231178, 132656333, 234462356, 265312666, 468924712, 530625332, 1061250664, 2520470327, 5040940654, 10081881308, 20163762616]

約数ペア:

[(1, 20163762616), (2, 10081881308), (4, 5040940654), (8, 2520470327), (19, 1061250664), (38, 530625332), (43, 468924712), (76, 265312666), (86, 234462356), (152, 132656333), (172, 117231178), (211, 95562856), (344, 58615589), (422, 47781428), (817, 24680248), (844, 23890714), (1634, 12340124), (1688, 11945357), (3268, 6170062), (4009, 5029624), (6536, 3085031), (8018, 2514812), (9073, 2222392), (14621, 1379096), (16036, 1257406), (18146, 1111196), (29242, 689548), (32072, 628703), (36292, 555598), (58484, 344774), (72584, 277799), (116968, 172387)]