20047860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2273}}^1$

素因数の和:2302

約数の個数: 108

約数和(自身を含む): 70771428

約数和(自身を除く): 50723568

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2273, 2940, 4410, 4546, 6819, 8820, 9092, 11365, 13638, 15911, 20457, 22730, 27276, 31822, 34095, 40914, 45460, 47733, 63644, 68190, 79555, 81828, 95466, 102285, 111377, 136380, 143199, 159110, 190932, 204570, 222754, 238665, 286398, 318220, 334131, 409140, 445508, 477330, 556885, 572796, 668262, 715995, 954660, 1002393, 1113770, 1336524, 1431990, 1670655, 2004786, 2227540, 2863980, 3341310, 4009572, 5011965, 6682620, 10023930, 20047860]

約数ペア:

[(1, 20047860), (2, 10023930), (3, 6682620), (4, 5011965), (5, 4009572), (6, 3341310), (7, 2863980), (9, 2227540), (10, 2004786), (12, 1670655), (14, 1431990), (15, 1336524), (18, 1113770), (20, 1002393), (21, 954660), (28, 715995), (30, 668262), (35, 572796), (36, 556885), (42, 477330), (45, 445508), (49, 409140), (60, 334131), (63, 318220), (70, 286398), (84, 238665), (90, 222754), (98, 204570), (105, 190932), (126, 159110), (140, 143199), (147, 136380), (180, 111377), (196, 102285), (210, 95466), (245, 81828), (252, 79555), (294, 68190), (315, 63644), (420, 47733), (441, 45460), (490, 40914), (588, 34095), (630, 31822), (735, 27276), (882, 22730), (980, 20457), (1260, 15911), (1470, 13638), (1764, 11365), (2205, 9092), (2273, 8820), (2940, 6819), (4410, 4546)]