20031180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:507

約数の個数: 96

約数和(自身を含む): 61537728

約数和(自身を除く): 41506548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 61, 65, 78, 122, 130, 156, 183, 195, 244, 260, 305, 366, 390, 421, 610, 732, 780, 793, 842, 915, 1220, 1263, 1586, 1684, 1830, 2105, 2379, 2526, 3172, 3660, 3965, 4210, 4758, 5052, 5473, 6315, 7930, 8420, 9516, 10946, 11895, 12630, 15860, 16419, 21892, 23790, 25260, 25681, 27365, 32838, 47580, 51362, 54730, 65676, 77043, 82095, 102724, 109460, 128405, 154086, 164190, 256810, 308172, 328380, 333853, 385215, 513620, 667706, 770430, 1001559, 1335412, 1540860, 1669265, 2003118, 3338530, 4006236, 5007795, 6677060, 10015590, 20031180]

約数ペア:

[(1, 20031180), (2, 10015590), (3, 6677060), (4, 5007795), (5, 4006236), (6, 3338530), (10, 2003118), (12, 1669265), (13, 1540860), (15, 1335412), (20, 1001559), (26, 770430), (30, 667706), (39, 513620), (52, 385215), (60, 333853), (61, 328380), (65, 308172), (78, 256810), (122, 164190), (130, 154086), (156, 128405), (183, 109460), (195, 102724), (244, 82095), (260, 77043), (305, 65676), (366, 54730), (390, 51362), (421, 47580), (610, 32838), (732, 27365), (780, 25681), (793, 25260), (842, 23790), (915, 21892), (1220, 16419), (1263, 15860), (1586, 12630), (1684, 11895), (1830, 10946), (2105, 9516), (2379, 8420), (2526, 7930), (3172, 6315), (3660, 5473), (3965, 5052), (4210, 4758)]