20415446088

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{2939}}^1$

素因数の和:3171

約数の個数: 128

約数和(自身を含む): 53648179200

約数和(自身を除く): 33232733112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 53, 86, 106, 127, 129, 159, 172, 212, 254, 258, 318, 344, 381, 424, 508, 516, 636, 762, 1016, 1032, 1272, 1524, 2279, 2939, 3048, 4558, 5461, 5878, 6731, 6837, 8817, 9116, 10922, 11756, 13462, 13674, 16383, 17634, 18232, 20193, 21844, 23512, 26924, 27348, 32766, 35268, 40386, 43688, 53848, 54696, 65532, 70536, 80772, 126377, 131064, 155767, 161544, 252754, 289433, 311534, 373253, 379131, 467301, 505508, 578866, 623068, 746506, 758262, 868299, 934602, 1011016, 1119759, 1157732, 1246136, 1493012, 1516524, 1736598, 1869204, 2239518, 2315464, 2986024, 3033048, 3473196, 3738408, 4479036, 6697981, 6946392, 8958072, 13395962, 16049879, 19782409, 20093943, 26791924, 32099758, 39564818, 40187886, 48149637, 53583848, 59347227, 64199516, 79129636, 80375772, 96299274, 118694454, 128399032, 158259272, 160751544, 192598548, 237388908, 385197096, 474777816, 850643587, 1701287174, 2551930761, 3402574348, 5103861522, 6805148696, 10207723044, 20415446088]

約数ペア:

[(1, 20415446088), (2, 10207723044), (3, 6805148696), (4, 5103861522), (6, 3402574348), (8, 2551930761), (12, 1701287174), (24, 850643587), (43, 474777816), (53, 385197096), (86, 237388908), (106, 192598548), (127, 160751544), (129, 158259272), (159, 128399032), (172, 118694454), (212, 96299274), (254, 80375772), (258, 79129636), (318, 64199516), (344, 59347227), (381, 53583848), (424, 48149637), (508, 40187886), (516, 39564818), (636, 32099758), (762, 26791924), (1016, 20093943), (1032, 19782409), (1272, 16049879), (1524, 13395962), (2279, 8958072), (2939, 6946392), (3048, 6697981), (4558, 4479036), (5461, 3738408), (5878, 3473196), (6731, 3033048), (6837, 2986024), (8817, 2315464), (9116, 2239518), (10922, 1869204), (11756, 1736598), (13462, 1516524), (13674, 1493012), (16383, 1246136), (17634, 1157732), (18232, 1119759), (20193, 1011016), (21844, 934602), (23512, 868299), (26924, 758262), (27348, 746506), (32766, 623068), (35268, 578866), (40386, 505508), (43688, 467301), (53848, 379131), (54696, 373253), (65532, 311534), (70536, 289433), (80772, 252754), (126377, 161544), (131064, 155767)]