20589390

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 57264480

約数和(自身を除く): 36675090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 81, 90, 111, 135, 162, 185, 222, 229, 243, 270, 333, 370, 405, 458, 486, 555, 666, 687, 810, 999, 1110, 1145, 1215, 1374, 1665, 1998, 2061, 2290, 2430, 2997, 3330, 3435, 4122, 4995, 5994, 6183, 6870, 8473, 8991, 9990, 10305, 12366, 14985, 16946, 17982, 18549, 20610, 25419, 29970, 30915, 37098, 42365, 44955, 50838, 55647, 61830, 76257, 84730, 89910, 92745, 111294, 127095, 152514, 185490, 228771, 254190, 278235, 381285, 457542, 556470, 686313, 762570, 1143855, 1372626, 2058939, 2287710, 3431565, 4117878, 6863130, 10294695, 20589390]

約数ペア:

[(1, 20589390), (2, 10294695), (3, 6863130), (5, 4117878), (6, 3431565), (9, 2287710), (10, 2058939), (15, 1372626), (18, 1143855), (27, 762570), (30, 686313), (37, 556470), (45, 457542), (54, 381285), (74, 278235), (81, 254190), (90, 228771), (111, 185490), (135, 152514), (162, 127095), (185, 111294), (222, 92745), (229, 89910), (243, 84730), (270, 76257), (333, 61830), (370, 55647), (405, 50838), (458, 44955), (486, 42365), (555, 37098), (666, 30915), (687, 29970), (810, 25419), (999, 20610), (1110, 18549), (1145, 17982), (1215, 16946), (1374, 14985), (1665, 12366), (1998, 10305), (2061, 9990), (2290, 8991), (2430, 8473), (2997, 6870), (3330, 6183), (3435, 5994), (4122, 4995)]