20566770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{823}}^1$

素因数の和:864

約数の個数: 96

約数和(自身を含む): 60870528

約数和(自身を除く): 40303758

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 49, 51, 70, 85, 98, 102, 105, 119, 147, 170, 210, 238, 245, 255, 294, 357, 490, 510, 595, 714, 735, 823, 833, 1190, 1470, 1646, 1666, 1785, 2469, 2499, 3570, 4115, 4165, 4938, 4998, 5761, 8230, 8330, 11522, 12345, 12495, 13991, 17283, 24690, 24990, 27982, 28805, 34566, 40327, 41973, 57610, 69955, 80654, 83946, 86415, 97937, 120981, 139910, 172830, 195874, 201635, 209865, 241962, 293811, 403270, 419730, 489685, 587622, 604905, 685559, 979370, 1209810, 1371118, 1469055, 2056677, 2938110, 3427795, 4113354, 6855590, 10283385, 20566770]

約数ペア:

[(1, 20566770), (2, 10283385), (3, 6855590), (5, 4113354), (6, 3427795), (7, 2938110), (10, 2056677), (14, 1469055), (15, 1371118), (17, 1209810), (21, 979370), (30, 685559), (34, 604905), (35, 587622), (42, 489685), (49, 419730), (51, 403270), (70, 293811), (85, 241962), (98, 209865), (102, 201635), (105, 195874), (119, 172830), (147, 139910), (170, 120981), (210, 97937), (238, 86415), (245, 83946), (255, 80654), (294, 69955), (357, 57610), (490, 41973), (510, 40327), (595, 34566), (714, 28805), (735, 27982), (823, 24990), (833, 24690), (1190, 17283), (1470, 13991), (1646, 12495), (1666, 12345), (1785, 11522), (2469, 8330), (2499, 8230), (3570, 5761), (4115, 4998), (4165, 4938)]