20860297030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1\times {\mathrm{4219}}^1$

素因数の和:4789

約数の個数: 64

約数和(自身を含む): 40362105600

約数和(自身を除く): 19501808570

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 265, 491, 530, 982, 1007, 2014, 2455, 4219, 4910, 5035, 8438, 9329, 10070, 18658, 21095, 26023, 42190, 46645, 52046, 80161, 93290, 130115, 160322, 223607, 260230, 400805, 447214, 494437, 801610, 988874, 1118035, 2071529, 2236070, 2472185, 4143058, 4248533, 4944370, 8497066, 10357645, 20715290, 21242665, 39359051, 42485330, 78718102, 109791037, 196795255, 219582074, 393590510, 548955185, 1097910370, 2086029703, 4172059406, 10430148515, 20860297030]

約数ペア:

[(1, 20860297030), (2, 10430148515), (5, 4172059406), (10, 2086029703), (19, 1097910370), (38, 548955185), (53, 393590510), (95, 219582074), (106, 196795255), (190, 109791037), (265, 78718102), (491, 42485330), (530, 39359051), (982, 21242665), (1007, 20715290), (2014, 10357645), (2455, 8497066), (4219, 4944370), (4910, 4248533), (5035, 4143058), (8438, 2472185), (9329, 2236070), (10070, 2071529), (18658, 1118035), (21095, 988874), (26023, 801610), (42190, 494437), (46645, 447214), (52046, 400805), (80161, 260230), (93290, 223607), (130115, 160322)]