20660147340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{115201}}^1$

素因数の和:115288

約数の個数: 144

約数和(自身を含む): 68396809824

約数和(自身を除く): 47736662484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 122, 140, 147, 183, 196, 210, 244, 245, 294, 305, 366, 420, 427, 490, 588, 610, 732, 735, 854, 915, 980, 1220, 1281, 1470, 1708, 1830, 2135, 2562, 2940, 2989, 3660, 4270, 5124, 5978, 6405, 8540, 8967, 11956, 12810, 14945, 17934, 25620, 29890, 35868, 44835, 59780, 89670, 115201, 179340, 230402, 345603, 460804, 576005, 691206, 806407, 1152010, 1382412, 1612814, 1728015, 2304020, 2419221, 3225628, 3456030, 4032035, 4838442, 5644849, 6912060, 7027261, 8064070, 9676884, 11289698, 12096105, 14054522, 16128140, 16934547, 21081783, 22579396, 24192210, 28109044, 28224245, 33869094, 35136305, 42163566, 48384420, 49190827, 56448490, 67738188, 70272610, 84327132, 84672735, 98381654, 105408915, 112896980, 140545220, 147572481, 169345470, 196763308, 210817830, 245954135, 295144962, 338690940, 344335789, 421635660, 491908270, 590289924, 688671578, 737862405, 983816540, 1033007367, 1377343156, 1475724810, 1721678945, 2066014734, 2951449620, 3443357890, 4132029468, 5165036835, 6886715780, 10330073670, 20660147340]

約数ペア:

[(1, 20660147340), (2, 10330073670), (3, 6886715780), (4, 5165036835), (5, 4132029468), (6, 3443357890), (7, 2951449620), (10, 2066014734), (12, 1721678945), (14, 1475724810), (15, 1377343156), (20, 1033007367), (21, 983816540), (28, 737862405), (30, 688671578), (35, 590289924), (42, 491908270), (49, 421635660), (60, 344335789), (61, 338690940), (70, 295144962), (84, 245954135), (98, 210817830), (105, 196763308), (122, 169345470), (140, 147572481), (147, 140545220), (183, 112896980), (196, 105408915), (210, 98381654), (244, 84672735), (245, 84327132), (294, 70272610), (305, 67738188), (366, 56448490), (420, 49190827), (427, 48384420), (490, 42163566), (588, 35136305), (610, 33869094), (732, 28224245), (735, 28109044), (854, 24192210), (915, 22579396), (980, 21081783), (1220, 16934547), (1281, 16128140), (1470, 14054522), (1708, 12096105), (1830, 11289698), (2135, 9676884), (2562, 8064070), (2940, 7027261), (2989, 6912060), (3660, 5644849), (4270, 4838442), (5124, 4032035), (5978, 3456030), (6405, 3225628), (8540, 2419221), (8967, 2304020), (11956, 1728015), (12810, 1612814), (14945, 1382412), (17934, 1152010), (25620, 806407), (29890, 691206), (35868, 576005), (44835, 460804), (59780, 345603), (89670, 230402), (115201, 179340)]