20235375180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{238681}}^1$

素因数の和:238856

約数の個数: 96

約数和(自身を含む): 63355750080

約数和(自身を除く): 43120374900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 157, 180, 270, 314, 471, 540, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4239, 4710, 5652, 7065, 8478, 9420, 14130, 16956, 21195, 28260, 42390, 84780, 238681, 477362, 716043, 954724, 1193405, 1432086, 2148129, 2386810, 2864172, 3580215, 4296258, 4773620, 6444387, 7160430, 8592516, 10740645, 12888774, 14320860, 21481290, 25777548, 32221935, 37472917, 42962580, 64443870, 74945834, 112418751, 128887740, 149891668, 187364585, 224837502, 337256253, 374729170, 449675004, 562093755, 674512506, 749458340, 1011768759, 1124187510, 1349025012, 1686281265, 2023537518, 2248375020, 3372562530, 4047075036, 5058843795, 6745125060, 10117687590, 20235375180]

約数ペア:

[(1, 20235375180), (2, 10117687590), (3, 6745125060), (4, 5058843795), (5, 4047075036), (6, 3372562530), (9, 2248375020), (10, 2023537518), (12, 1686281265), (15, 1349025012), (18, 1124187510), (20, 1011768759), (27, 749458340), (30, 674512506), (36, 562093755), (45, 449675004), (54, 374729170), (60, 337256253), (90, 224837502), (108, 187364585), (135, 149891668), (157, 128887740), (180, 112418751), (270, 74945834), (314, 64443870), (471, 42962580), (540, 37472917), (628, 32221935), (785, 25777548), (942, 21481290), (1413, 14320860), (1570, 12888774), (1884, 10740645), (2355, 8592516), (2826, 7160430), (3140, 6444387), (4239, 4773620), (4710, 4296258), (5652, 3580215), (7065, 2864172), (8478, 2386810), (9420, 2148129), (14130, 1432086), (16956, 1193405), (21195, 954724), (28260, 716043), (42390, 477362), (84780, 238681)]