20071920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7603}}^1$

素因数の和:7630

約数の個数: 80

約数和(自身を含む): 67888512

約数和(自身を除く): 47816592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7603, 15206, 22809, 30412, 38015, 45618, 60824, 76030, 83633, 91236, 114045, 121648, 152060, 167266, 182472, 228090, 250899, 304120, 334532, 364944, 418165, 456180, 501798, 608240, 669064, 836330, 912360, 1003596, 1254495, 1338128, 1672660, 1824720, 2007192, 2508990, 3345320, 4014384, 5017980, 6690640, 10035960, 20071920]

約数ペア:

[(1, 20071920), (2, 10035960), (3, 6690640), (4, 5017980), (5, 4014384), (6, 3345320), (8, 2508990), (10, 2007192), (11, 1824720), (12, 1672660), (15, 1338128), (16, 1254495), (20, 1003596), (22, 912360), (24, 836330), (30, 669064), (33, 608240), (40, 501798), (44, 456180), (48, 418165), (55, 364944), (60, 334532), (66, 304120), (80, 250899), (88, 228090), (110, 182472), (120, 167266), (132, 152060), (165, 121648), (176, 114045), (220, 91236), (240, 83633), (264, 76030), (330, 60824), (440, 45618), (528, 38015), (660, 30412), (880, 22809), (1320, 15206), (2640, 7603)]