20069520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4919}}^1$

素因数の和:4952

約数の個数: 80

約数和(自身を含む): 65888640

約数和(自身を除く): 45819120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 4919, 9838, 14757, 19676, 24595, 29514, 39352, 49190, 59028, 73785, 78704, 83623, 98380, 118056, 147570, 167246, 196760, 236112, 250869, 295140, 334492, 393520, 418115, 501738, 590280, 668984, 836230, 1003476, 1180560, 1254345, 1337968, 1672460, 2006952, 2508690, 3344920, 4013904, 5017380, 6689840, 10034760, 20069520]

約数ペア:

[(1, 20069520), (2, 10034760), (3, 6689840), (4, 5017380), (5, 4013904), (6, 3344920), (8, 2508690), (10, 2006952), (12, 1672460), (15, 1337968), (16, 1254345), (17, 1180560), (20, 1003476), (24, 836230), (30, 668984), (34, 590280), (40, 501738), (48, 418115), (51, 393520), (60, 334492), (68, 295140), (80, 250869), (85, 236112), (102, 196760), (120, 167246), (136, 147570), (170, 118056), (204, 98380), (240, 83623), (255, 78704), (272, 73785), (340, 59028), (408, 49190), (510, 39352), (680, 29514), (816, 24595), (1020, 19676), (1360, 14757), (2040, 9838), (4080, 4919)]