20179926940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{417113}}^1$

素因数の和:417222

約数の個数: 48

約数和(自身を含む): 44147345760

約数和(自身を除く): 23967418820

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 164, 205, 236, 295, 410, 590, 820, 1180, 2419, 4838, 9676, 12095, 24190, 48380, 417113, 834226, 1668452, 2085565, 4171130, 8342260, 17101633, 24609667, 34203266, 49219334, 68406532, 85508165, 98438668, 123048335, 171016330, 246096670, 342032660, 492193340, 1008996347, 2017992694, 4035985388, 5044981735, 10089963470, 20179926940]

約数ペア:

[(1, 20179926940), (2, 10089963470), (4, 5044981735), (5, 4035985388), (10, 2017992694), (20, 1008996347), (41, 492193340), (59, 342032660), (82, 246096670), (118, 171016330), (164, 123048335), (205, 98438668), (236, 85508165), (295, 68406532), (410, 49219334), (590, 34203266), (820, 24609667), (1180, 17101633), (2419, 8342260), (4838, 4171130), (9676, 2085565), (12095, 1668452), (24190, 834226), (48380, 417113)]