20496210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 58309632

約数和(自身を除く): 37813422

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 73, 98, 105, 146, 147, 191, 210, 219, 245, 294, 365, 382, 438, 490, 511, 573, 730, 735, 955, 1022, 1095, 1146, 1337, 1470, 1533, 1910, 2190, 2555, 2674, 2865, 3066, 3577, 4011, 5110, 5730, 6685, 7154, 7665, 8022, 9359, 10731, 13370, 13943, 15330, 17885, 18718, 20055, 21462, 27886, 28077, 35770, 40110, 41829, 46795, 53655, 56154, 69715, 83658, 93590, 97601, 107310, 139430, 140385, 195202, 209145, 280770, 292803, 418290, 488005, 585606, 683207, 976010, 1366414, 1464015, 2049621, 2928030, 3416035, 4099242, 6832070, 10248105, 20496210]

約数ペア:

[(1, 20496210), (2, 10248105), (3, 6832070), (5, 4099242), (6, 3416035), (7, 2928030), (10, 2049621), (14, 1464015), (15, 1366414), (21, 976010), (30, 683207), (35, 585606), (42, 488005), (49, 418290), (70, 292803), (73, 280770), (98, 209145), (105, 195202), (146, 140385), (147, 139430), (191, 107310), (210, 97601), (219, 93590), (245, 83658), (294, 69715), (365, 56154), (382, 53655), (438, 46795), (490, 41829), (511, 40110), (573, 35770), (730, 28077), (735, 27886), (955, 21462), (1022, 20055), (1095, 18718), (1146, 17885), (1337, 15330), (1470, 13943), (1533, 13370), (1910, 10731), (2190, 9359), (2555, 8022), (2674, 7665), (2865, 7154), (3066, 6685), (3577, 5730), (4011, 5110)]