20797186158

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1\times {\mathrm{1201}}^1$

素因数の和:2031

約数の個数: 128

約数和(自身を含む): 53800366080

約数和(自身を除く): 33003179922

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 61, 63, 122, 126, 183, 189, 366, 378, 427, 549, 751, 854, 1098, 1201, 1281, 1502, 1647, 2253, 2402, 2562, 3294, 3603, 3843, 4506, 5257, 6759, 7206, 7686, 8407, 10514, 10809, 11529, 13518, 15771, 16814, 20277, 21618, 23058, 25221, 31542, 32427, 40554, 45811, 47313, 50442, 64854, 73261, 75663, 91622, 94626, 137433, 141939, 146522, 151326, 219783, 226989, 274866, 283878, 320677, 412299, 439566, 453978, 512827, 641354, 659349, 824598, 901951, 962031, 1025654, 1236897, 1318698, 1538481, 1803902, 1924062, 1978047, 2473794, 2705853, 2886093, 3076962, 3956094, 4615443, 5411706, 5772186, 6313657, 8117559, 8658279, 9230886, 12627314, 13846329, 16235118, 17316558, 18940971, 24352677, 27692658, 37881942, 48705354, 55019011, 56822913, 110038022, 113645826, 165057033, 170468739, 330114066, 340937478, 385133077, 495171099, 770266154, 990342198, 1155399231, 1485513297, 2310798462, 2971026594, 3466197693, 6932395386, 10398593079, 20797186158]

約数ペア:

[(1, 20797186158), (2, 10398593079), (3, 6932395386), (6, 3466197693), (7, 2971026594), (9, 2310798462), (14, 1485513297), (18, 1155399231), (21, 990342198), (27, 770266154), (42, 495171099), (54, 385133077), (61, 340937478), (63, 330114066), (122, 170468739), (126, 165057033), (183, 113645826), (189, 110038022), (366, 56822913), (378, 55019011), (427, 48705354), (549, 37881942), (751, 27692658), (854, 24352677), (1098, 18940971), (1201, 17316558), (1281, 16235118), (1502, 13846329), (1647, 12627314), (2253, 9230886), (2402, 8658279), (2562, 8117559), (3294, 6313657), (3603, 5772186), (3843, 5411706), (4506, 4615443), (5257, 3956094), (6759, 3076962), (7206, 2886093), (7686, 2705853), (8407, 2473794), (10514, 1978047), (10809, 1924062), (11529, 1803902), (13518, 1538481), (15771, 1318698), (16814, 1236897), (20277, 1025654), (21618, 962031), (23058, 901951), (25221, 824598), (31542, 659349), (32427, 641354), (40554, 512827), (45811, 453978), (47313, 439566), (50442, 412299), (64854, 320677), (73261, 283878), (75663, 274866), (91622, 226989), (94626, 219783), (137433, 151326), (141939, 146522)]