20010564

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 63842688

約数和(自身を除く): 43832124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 81, 84, 102, 108, 119, 126, 153, 162, 173, 189, 204, 238, 243, 252, 306, 324, 346, 357, 378, 459, 476, 486, 519, 567, 612, 692, 714, 756, 918, 972, 1038, 1071, 1134, 1211, 1377, 1428, 1557, 1701, 1836, 2076, 2142, 2268, 2422, 2754, 2941, 3114, 3213, 3402, 3633, 4131, 4284, 4671, 4844, 5508, 5882, 6228, 6426, 6804, 7266, 8262, 8823, 9342, 9639, 10899, 11764, 12852, 14013, 14532, 16524, 17646, 18684, 19278, 20587, 21798, 26469, 28026, 28917, 32697, 35292, 38556, 41174, 42039, 43596, 52938, 56052, 57834, 61761, 65394, 79407, 82348, 84078, 98091, 105876, 115668, 123522, 130788, 158814, 168156, 185283, 196182, 238221, 247044, 294273, 317628, 370566, 392364, 476442, 555849, 588546, 714663, 741132, 952884, 1111698, 1177092, 1429326, 1667547, 2223396, 2858652, 3335094, 5002641, 6670188, 10005282, 20010564]

約数ペア:

[(1, 20010564), (2, 10005282), (3, 6670188), (4, 5002641), (6, 3335094), (7, 2858652), (9, 2223396), (12, 1667547), (14, 1429326), (17, 1177092), (18, 1111698), (21, 952884), (27, 741132), (28, 714663), (34, 588546), (36, 555849), (42, 476442), (51, 392364), (54, 370566), (63, 317628), (68, 294273), (81, 247044), (84, 238221), (102, 196182), (108, 185283), (119, 168156), (126, 158814), (153, 130788), (162, 123522), (173, 115668), (189, 105876), (204, 98091), (238, 84078), (243, 82348), (252, 79407), (306, 65394), (324, 61761), (346, 57834), (357, 56052), (378, 52938), (459, 43596), (476, 42039), (486, 41174), (519, 38556), (567, 35292), (612, 32697), (692, 28917), (714, 28026), (756, 26469), (918, 21798), (972, 20587), (1038, 19278), (1071, 18684), (1134, 17646), (1211, 16524), (1377, 14532), (1428, 14013), (1557, 12852), (1701, 11764), (1836, 10899), (2076, 9639), (2142, 9342), (2268, 8823), (2422, 8262), (2754, 7266), (2941, 6804), (3114, 6426), (3213, 6228), (3402, 5882), (3633, 5508), (4131, 4844), (4284, 4671)]