20162680120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{378713}}^1$

素因数の和:378757

約数の個数: 64

約数和(自身を含む): 49899356640

約数和(自身を除く): 29736676520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1331, 2420, 2662, 4840, 5324, 6655, 10648, 13310, 26620, 53240, 378713, 757426, 1514852, 1893565, 3029704, 3787130, 4165843, 7574260, 8331686, 15148520, 16663372, 20829215, 33326744, 41658430, 45824273, 83316860, 91648546, 166633720, 183297092, 229121365, 366594184, 458242730, 504067003, 916485460, 1008134006, 1832970920, 2016268012, 2520335015, 4032536024, 5040670030, 10081340060, 20162680120]

約数ペア:

[(1, 20162680120), (2, 10081340060), (4, 5040670030), (5, 4032536024), (8, 2520335015), (10, 2016268012), (11, 1832970920), (20, 1008134006), (22, 916485460), (40, 504067003), (44, 458242730), (55, 366594184), (88, 229121365), (110, 183297092), (121, 166633720), (220, 91648546), (242, 83316860), (440, 45824273), (484, 41658430), (605, 33326744), (968, 20829215), (1210, 16663372), (1331, 15148520), (2420, 8331686), (2662, 7574260), (4840, 4165843), (5324, 3787130), (6655, 3029704), (10648, 1893565), (13310, 1514852), (26620, 757426), (53240, 378713)]