20173384980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{390503}}^1$

素因数の和:390566

約数の個数: 144

約数和(自身を含む): 71640301824

約数和(自身を除く): 51466916844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 574, 615, 630, 738, 820, 861, 1148, 1230, 1260, 1435, 1476, 1722, 1845, 2460, 2583, 2870, 3444, 3690, 4305, 5166, 5740, 7380, 8610, 10332, 12915, 17220, 25830, 51660, 390503, 781006, 1171509, 1562012, 1952515, 2343018, 2733521, 3514527, 3905030, 4686036, 5467042, 5857545, 7029054, 7810060, 8200563, 10934084, 11715090, 13667605, 14058108, 16010623, 16401126, 17572635, 23430180, 24601689, 27335210, 32021246, 32802252, 35145270, 41002815, 48031869, 49203378, 54670420, 64042492, 70290540, 80053115, 82005630, 96063738, 98406756, 112074361, 123008445, 144095607, 160106230, 164011260, 192127476, 224148722, 240159345, 246016890, 288191214, 320212460, 336223083, 448297444, 480318690, 492033780, 560371805, 576382428, 672446166, 720478035, 960637380, 1008669249, 1120743610, 1344892332, 1440956070, 1681115415, 2017338498, 2241487220, 2881912140, 3362230830, 4034676996, 5043346245, 6724461660, 10086692490, 20173384980]

約数ペア:

[(1, 20173384980), (2, 10086692490), (3, 6724461660), (4, 5043346245), (5, 4034676996), (6, 3362230830), (7, 2881912140), (9, 2241487220), (10, 2017338498), (12, 1681115415), (14, 1440956070), (15, 1344892332), (18, 1120743610), (20, 1008669249), (21, 960637380), (28, 720478035), (30, 672446166), (35, 576382428), (36, 560371805), (41, 492033780), (42, 480318690), (45, 448297444), (60, 336223083), (63, 320212460), (70, 288191214), (82, 246016890), (84, 240159345), (90, 224148722), (105, 192127476), (123, 164011260), (126, 160106230), (140, 144095607), (164, 123008445), (180, 112074361), (205, 98406756), (210, 96063738), (246, 82005630), (252, 80053115), (287, 70290540), (315, 64042492), (369, 54670420), (410, 49203378), (420, 48031869), (492, 41002815), (574, 35145270), (615, 32802252), (630, 32021246), (738, 27335210), (820, 24601689), (861, 23430180), (1148, 17572635), (1230, 16401126), (1260, 16010623), (1435, 14058108), (1476, 13667605), (1722, 11715090), (1845, 10934084), (2460, 8200563), (2583, 7810060), (2870, 7029054), (3444, 5857545), (3690, 5467042), (4305, 4686036), (5166, 3905030), (5740, 3514527), (7380, 2733521), (8610, 2343018), (10332, 1952515), (12915, 1562012), (17220, 1171509), (25830, 781006), (51660, 390503)]