20215657930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{797}}^1\times {\mathrm{3307}}^1$

素因数の和:4183

約数の個数: 64

約数和(自身を含む): 39913534080

約数和(自身を除く): 19697876150

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 797, 1534, 1594, 3307, 3835, 3985, 6614, 7670, 7970, 10361, 16535, 20722, 33070, 42991, 47023, 51805, 85982, 94046, 103610, 195113, 214955, 235115, 390226, 429910, 470230, 611299, 975565, 1222598, 1951130, 2536469, 2635679, 3056495, 5072938, 5271358, 6112990, 12682345, 13178395, 25364690, 26356790, 34263827, 68527654, 155505061, 171319135, 311010122, 342638270, 777525305, 1555050610, 2021565793, 4043131586, 10107828965, 20215657930]

約数ペア:

[(1, 20215657930), (2, 10107828965), (5, 4043131586), (10, 2021565793), (13, 1555050610), (26, 777525305), (59, 342638270), (65, 311010122), (118, 171319135), (130, 155505061), (295, 68527654), (590, 34263827), (767, 26356790), (797, 25364690), (1534, 13178395), (1594, 12682345), (3307, 6112990), (3835, 5271358), (3985, 5072938), (6614, 3056495), (7670, 2635679), (7970, 2536469), (10361, 1951130), (16535, 1222598), (20722, 975565), (33070, 611299), (42991, 470230), (47023, 429910), (51805, 390226), (85982, 235115), (94046, 214955), (103610, 195113)]