20246358420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{161377}}^1$

素因数の和:161450

約数の個数: 144

約数和(自身を含む): 66612965328

約数和(自身を除く): 46366606908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 41, 45, 51, 60, 68, 82, 85, 90, 102, 123, 153, 164, 170, 180, 204, 205, 246, 255, 306, 340, 369, 410, 492, 510, 612, 615, 697, 738, 765, 820, 1020, 1230, 1394, 1476, 1530, 1845, 2091, 2460, 2788, 3060, 3485, 3690, 4182, 6273, 6970, 7380, 8364, 10455, 12546, 13940, 20910, 25092, 31365, 41820, 62730, 125460, 161377, 322754, 484131, 645508, 806885, 968262, 1452393, 1613770, 1936524, 2420655, 2743409, 2904786, 3227540, 4841310, 5486818, 5809572, 6616457, 7261965, 8230227, 9682620, 10973636, 13232914, 13717045, 14523930, 16460454, 19849371, 24690681, 26465828, 27434090, 29047860, 32920908, 33082285, 39698742, 41151135, 49381362, 54868180, 59548113, 66164570, 79397484, 82302270, 98762724, 99246855, 112479769, 119096226, 123453405, 132329140, 164604540, 198493710, 224959538, 238192452, 246906810, 297740565, 337439307, 396987420, 449919076, 493813620, 562398845, 595481130, 674878614, 1012317921, 1124797690, 1190962260, 1349757228, 1687196535, 2024635842, 2249595380, 3374393070, 4049271684, 5061589605, 6748786140, 10123179210, 20246358420]

約数ペア:

[(1, 20246358420), (2, 10123179210), (3, 6748786140), (4, 5061589605), (5, 4049271684), (6, 3374393070), (9, 2249595380), (10, 2024635842), (12, 1687196535), (15, 1349757228), (17, 1190962260), (18, 1124797690), (20, 1012317921), (30, 674878614), (34, 595481130), (36, 562398845), (41, 493813620), (45, 449919076), (51, 396987420), (60, 337439307), (68, 297740565), (82, 246906810), (85, 238192452), (90, 224959538), (102, 198493710), (123, 164604540), (153, 132329140), (164, 123453405), (170, 119096226), (180, 112479769), (204, 99246855), (205, 98762724), (246, 82302270), (255, 79397484), (306, 66164570), (340, 59548113), (369, 54868180), (410, 49381362), (492, 41151135), (510, 39698742), (612, 33082285), (615, 32920908), (697, 29047860), (738, 27434090), (765, 26465828), (820, 24690681), (1020, 19849371), (1230, 16460454), (1394, 14523930), (1476, 13717045), (1530, 13232914), (1845, 10973636), (2091, 9682620), (2460, 8230227), (2788, 7261965), (3060, 6616457), (3485, 5809572), (3690, 5486818), (4182, 4841310), (6273, 3227540), (6970, 2904786), (7380, 2743409), (8364, 2420655), (10455, 1936524), (12546, 1613770), (13940, 1452393), (20910, 968262), (25092, 806885), (31365, 645508), (41820, 484131), (62730, 322754), (125460, 161377)]