20176920520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1\times {\mathrm{24533}}^1$

素因数の和:25282

約数の個数: 64

約数和(自身を含む): 47031678000

約数和(自身を除く): 26854757480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 709, 1160, 1418, 2836, 3545, 5672, 7090, 14180, 20561, 24533, 28360, 41122, 49066, 82244, 98132, 102805, 122665, 164488, 196264, 205610, 245330, 411220, 490660, 711457, 822440, 981320, 1422914, 2845828, 3557285, 5691656, 7114570, 14229140, 17393897, 28458280, 34787794, 69575588, 86969485, 139151176, 173938970, 347877940, 504423013, 695755880, 1008846026, 2017692052, 2522115065, 4035384104, 5044230130, 10088460260, 20176920520]

約数ペア:

[(1, 20176920520), (2, 10088460260), (4, 5044230130), (5, 4035384104), (8, 2522115065), (10, 2017692052), (20, 1008846026), (29, 695755880), (40, 504423013), (58, 347877940), (116, 173938970), (145, 139151176), (232, 86969485), (290, 69575588), (580, 34787794), (709, 28458280), (1160, 17393897), (1418, 14229140), (2836, 7114570), (3545, 5691656), (5672, 3557285), (7090, 2845828), (14180, 1422914), (20561, 981320), (24533, 822440), (28360, 711457), (41122, 490660), (49066, 411220), (82244, 245330), (98132, 205610), (102805, 196264), (122665, 164488)]