20344060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 50964480

約数和(自身を除く): 30620420

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 155, 157, 190, 209, 220, 310, 314, 341, 380, 418, 589, 620, 628, 682, 785, 836, 1045, 1178, 1364, 1570, 1705, 1727, 2090, 2356, 2945, 2983, 3140, 3410, 3454, 4180, 4867, 5890, 5966, 6479, 6820, 6908, 8635, 9734, 11780, 11932, 12958, 14915, 17270, 19468, 24335, 25916, 29830, 32395, 32813, 34540, 48670, 53537, 59660, 64790, 65626, 92473, 97340, 107074, 129580, 131252, 164065, 184946, 214148, 267685, 328130, 369892, 462365, 535370, 656260, 924730, 1017203, 1070740, 1849460, 2034406, 4068812, 5086015, 10172030, 20344060]

約数ペア:

[(1, 20344060), (2, 10172030), (4, 5086015), (5, 4068812), (10, 2034406), (11, 1849460), (19, 1070740), (20, 1017203), (22, 924730), (31, 656260), (38, 535370), (44, 462365), (55, 369892), (62, 328130), (76, 267685), (95, 214148), (110, 184946), (124, 164065), (155, 131252), (157, 129580), (190, 107074), (209, 97340), (220, 92473), (310, 65626), (314, 64790), (341, 59660), (380, 53537), (418, 48670), (589, 34540), (620, 32813), (628, 32395), (682, 29830), (785, 25916), (836, 24335), (1045, 19468), (1178, 17270), (1364, 14915), (1570, 12958), (1705, 11932), (1727, 11780), (2090, 9734), (2356, 8635), (2945, 6908), (2983, 6820), (3140, 6479), (3410, 5966), (3454, 5890), (4180, 4867)]