20197980160

素因数分解:

$2^{11}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{116027}}^1$

素因数の和:116071

約数の個数: 96

約数和(自身を含む): 51314543280

約数和(自身を除く): 31116563120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1024, 1088, 1280, 1360, 2048, 2176, 2560, 2720, 4352, 5120, 5440, 8704, 10240, 10880, 17408, 21760, 34816, 43520, 87040, 116027, 174080, 232054, 464108, 580135, 928216, 1160270, 1856432, 1972459, 2320540, 3712864, 3944918, 4641080, 7425728, 7889836, 9282160, 9862295, 14851456, 15779672, 18564320, 19724590, 29702912, 31559344, 37128640, 39449180, 59405824, 63118688, 74257280, 78898360, 118811648, 126237376, 148514560, 157796720, 237623296, 252474752, 297029120, 315593440, 504949504, 594058240, 631186880, 1009899008, 1188116480, 1262373760, 2019798016, 2524747520, 4039596032, 5049495040, 10098990080, 20197980160]

約数ペア:

[(1, 20197980160), (2, 10098990080), (4, 5049495040), (5, 4039596032), (8, 2524747520), (10, 2019798016), (16, 1262373760), (17, 1188116480), (20, 1009899008), (32, 631186880), (34, 594058240), (40, 504949504), (64, 315593440), (68, 297029120), (80, 252474752), (85, 237623296), (128, 157796720), (136, 148514560), (160, 126237376), (170, 118811648), (256, 78898360), (272, 74257280), (320, 63118688), (340, 59405824), (512, 39449180), (544, 37128640), (640, 31559344), (680, 29702912), (1024, 19724590), (1088, 18564320), (1280, 15779672), (1360, 14851456), (2048, 9862295), (2176, 9282160), (2560, 7889836), (2720, 7425728), (4352, 4641080), (5120, 3944918), (5440, 3712864), (8704, 2320540), (10240, 1972459), (10880, 1856432), (17408, 1160270), (21760, 928216), (34816, 580135), (43520, 464108), (87040, 232054), (116027, 174080)]