20031900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9539}}^1$

素因数の和:9563

約数の個数: 72

約数和(自身を含む): 66245760

約数和(自身を除く): 46213860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9539, 19078, 28617, 38156, 47695, 57234, 66773, 95390, 114468, 133546, 143085, 190780, 200319, 238475, 267092, 286170, 333865, 400638, 476950, 572340, 667730, 715425, 801276, 953900, 1001595, 1335460, 1430850, 1669325, 2003190, 2861700, 3338650, 4006380, 5007975, 6677300, 10015950, 20031900]

約数ペア:

[(1, 20031900), (2, 10015950), (3, 6677300), (4, 5007975), (5, 4006380), (6, 3338650), (7, 2861700), (10, 2003190), (12, 1669325), (14, 1430850), (15, 1335460), (20, 1001595), (21, 953900), (25, 801276), (28, 715425), (30, 667730), (35, 572340), (42, 476950), (50, 400638), (60, 333865), (70, 286170), (75, 267092), (84, 238475), (100, 200319), (105, 190780), (140, 143085), (150, 133546), (175, 114468), (210, 95390), (300, 66773), (350, 57234), (420, 47695), (525, 38156), (700, 28617), (1050, 19078), (2100, 9539)]