19795020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6733}}^1$

素因数の和:6759

約数の個数: 72

約数和(自身を含む): 64484784

約数和(自身を除く): 44689764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6733, 13466, 20199, 26932, 33665, 40398, 47131, 67330, 80796, 94262, 100995, 134660, 141393, 188524, 201990, 235655, 282786, 329917, 403980, 471310, 565572, 659834, 706965, 942620, 989751, 1319668, 1413930, 1649585, 1979502, 2827860, 3299170, 3959004, 4948755, 6598340, 9897510, 19795020]

約数ペア:

[(1, 19795020), (2, 9897510), (3, 6598340), (4, 4948755), (5, 3959004), (6, 3299170), (7, 2827860), (10, 1979502), (12, 1649585), (14, 1413930), (15, 1319668), (20, 989751), (21, 942620), (28, 706965), (30, 659834), (35, 565572), (42, 471310), (49, 403980), (60, 329917), (70, 282786), (84, 235655), (98, 201990), (105, 188524), (140, 141393), (147, 134660), (196, 100995), (210, 94262), (245, 80796), (294, 67330), (420, 47131), (490, 40398), (588, 33665), (735, 26932), (980, 20199), (1470, 13466), (2940, 6733)]