20092980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19699}}^1$

素因数の和:19728

約数の個数: 48

約数和(自身を含む): 59572800

約数和(自身を除く): 39479820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19699, 39398, 59097, 78796, 98495, 118194, 196990, 236388, 295485, 334883, 393980, 590970, 669766, 1004649, 1181940, 1339532, 1674415, 2009298, 3348830, 4018596, 5023245, 6697660, 10046490, 20092980]

約数ペア:

[(1, 20092980), (2, 10046490), (3, 6697660), (4, 5023245), (5, 4018596), (6, 3348830), (10, 2009298), (12, 1674415), (15, 1339532), (17, 1181940), (20, 1004649), (30, 669766), (34, 590970), (51, 393980), (60, 334883), (68, 295485), (85, 236388), (102, 196990), (170, 118194), (204, 98495), (255, 78796), (340, 59097), (510, 39398), (1020, 19699)]