20032460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 53706240

約数和(自身を除く): 33673780

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 238, 266, 323, 340, 380, 443, 476, 532, 595, 646, 665, 886, 1190, 1292, 1330, 1615, 1772, 2215, 2261, 2380, 2660, 3101, 3230, 4430, 4522, 6202, 6460, 7531, 8417, 8860, 9044, 11305, 12404, 15062, 15505, 16834, 22610, 30124, 31010, 33668, 37655, 42085, 45220, 52717, 58919, 62020, 75310, 84170, 105434, 117838, 143089, 150620, 168340, 210868, 235676, 263585, 286178, 294595, 527170, 572356, 589190, 715445, 1001623, 1054340, 1178380, 1430890, 2003246, 2861780, 4006492, 5008115, 10016230, 20032460]

約数ペア:

[(1, 20032460), (2, 10016230), (4, 5008115), (5, 4006492), (7, 2861780), (10, 2003246), (14, 1430890), (17, 1178380), (19, 1054340), (20, 1001623), (28, 715445), (34, 589190), (35, 572356), (38, 527170), (68, 294595), (70, 286178), (76, 263585), (85, 235676), (95, 210868), (119, 168340), (133, 150620), (140, 143089), (170, 117838), (190, 105434), (238, 84170), (266, 75310), (323, 62020), (340, 58919), (380, 52717), (443, 45220), (476, 42085), (532, 37655), (595, 33668), (646, 31010), (665, 30124), (886, 22610), (1190, 16834), (1292, 15505), (1330, 15062), (1615, 12404), (1772, 11305), (2215, 9044), (2261, 8860), (2380, 8417), (2660, 7531), (3101, 6460), (3230, 6202), (4430, 4522)]