20180684940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{251191}}^1$

素因数の和:251319

約数の個数: 96

約数和(自身を含む): 61443572736

約数和(自身を除く): 41262887796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 103, 130, 156, 195, 206, 260, 309, 390, 412, 515, 618, 780, 1030, 1236, 1339, 1545, 2060, 2678, 3090, 4017, 5356, 6180, 6695, 8034, 13390, 16068, 20085, 26780, 40170, 80340, 251191, 502382, 753573, 1004764, 1255955, 1507146, 2511910, 3014292, 3265483, 3767865, 5023820, 6530966, 7535730, 9796449, 13061932, 15071460, 16327415, 19592898, 25872673, 32654830, 39185796, 48982245, 51745346, 65309660, 77618019, 97964490, 103490692, 129363365, 155236038, 195928980, 258726730, 310472076, 336344749, 388090095, 517453460, 672689498, 776180190, 1009034247, 1345378996, 1552360380, 1681723745, 2018068494, 3363447490, 4036136988, 5045171235, 6726894980, 10090342470, 20180684940]

約数ペア:

[(1, 20180684940), (2, 10090342470), (3, 6726894980), (4, 5045171235), (5, 4036136988), (6, 3363447490), (10, 2018068494), (12, 1681723745), (13, 1552360380), (15, 1345378996), (20, 1009034247), (26, 776180190), (30, 672689498), (39, 517453460), (52, 388090095), (60, 336344749), (65, 310472076), (78, 258726730), (103, 195928980), (130, 155236038), (156, 129363365), (195, 103490692), (206, 97964490), (260, 77618019), (309, 65309660), (390, 51745346), (412, 48982245), (515, 39185796), (618, 32654830), (780, 25872673), (1030, 19592898), (1236, 16327415), (1339, 15071460), (1545, 13061932), (2060, 9796449), (2678, 7535730), (3090, 6530966), (4017, 5023820), (5356, 3767865), (6180, 3265483), (6695, 3014292), (8034, 2511910), (13390, 1507146), (16068, 1255955), (20085, 1004764), (26780, 753573), (40170, 502382), (80340, 251191)]